.ms-preload {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #eee;
  z-index: 50000;
  height: 100%;
  width: 100%;
}

.spinner {
  width: 60px;
  height: 60px;
  margin: auto;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  text-align: center;
  -webkit-animation: sk-rotate 2s infinite linear;
  animation: sk-rotate 2s infinite linear;
}

.dot1, .dot2 {
  width: 60%;
  height: 60%;
  display: inline-block;
  position: absolute;
  top: 0;
  background-color: #607D8B;
  border-radius: 100%;
  -webkit-animation: sk-bounce 2s infinite ease-in-out;
  animation: sk-bounce 2s infinite ease-in-out;
}

.dot2 {
  top: auto;
  bottom: 0;
  -webkit-animation-delay: -1s;
  animation-delay: -1s;
}

@-webkit-keyframes sk-rotate {
  100% {
    -webkit-transform: rotate(360deg);
  }
}
@keyframes sk-rotate {
  100% {
    transform: rotate(360deg);
    -webkit-transform: rotate(360deg);
  }
}
@-webkit-keyframes sk-bounce {
  0%, 100% {
    -webkit-transform: scale(0);
  }
  50% {
    -webkit-transform: scale(1);
  }
}
@keyframes sk-bounce {
  0%, 100% {
    transform: scale(0);
    -webkit-transform: scale(0);
  }
  50% {
    transform: scale(1);
    -webkit-transform: scale(1);
  }
}